Category: 106-73-0

Chiral amorphous metal-organic polyhedra used as the stationary phase for high-resolution gas chromatography separations was written by Tang, Bo;Sun, Chenyu;Wang, Wei;Geng, Lina;Sun, Liquan;Luo, Aiqin. And the article was included in Chirality in 2020.Electric Literature of C8H16O2 The following contents are mentioned in the article:

Herein, we describe a new chiral amorphous metal-organic polyhedra used as the stationary phase for high-resolution gas chromatog. (GC). The chiral stationary phase was coated onto a capillary column via a dynamic coating process and investigated for a variety of compounds The exptl. results showed that the chiral stationary phase exhibits good selectivity for linear alkanes, linear alcs., polycyclic aromatic hydrocarbons, isomers, and chiral compounds In addition, the column has the advantages of high column efficiency and short anal. time. The present work indicated that amorphous metal-organic polyhedra have great potential for application as a new type of stationary phase for GC. This study involved multiple reactions and reactants, such as Methyl heptanoate (cas: 106-73-0Electric Literature of C8H16O2).

Methyl heptanoate (cas: 106-73-0) belongs to esters. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Esters contain a carbonyl center, which gives rise to 120° C–C–O and O–C–O angles. Unlike amides, esters are structurally flexible functional groups because rotation about the C–O–C bonds has a low barrier. Their flexibility and low polarity is manifested in their physical properties; they tend to be less rigid (lower melting point) and more volatile (lower boiling point) than the corresponding amides. Electric Literature of C8H16O2

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Heat capacities and thermal diffusivities of some n-alkanoic acid methyl esters was written by Bogatishcheva, Nataliya S.;Faizullin, Mars Z.;Nikitin, Eugene D.. And the article was included in Journal of Chemical Thermodynamics in 2019.Product Details of 106-73-0 The following contents are mentioned in the article:

The heat capacities and thermal diffusivities of n-alkanoic acid Me esters C_nH_2n-1O₂CH₃ with n from 6 to 12 have been measured. The heat capacities have been measured in the temperature range from 303.15 K to 373.15 K; the measurements of thermal diffusivity have been carried out for a given Me ester from 303.15 K to the temperature at which a noticeable evaporation of the ester took place. The temperature dependencies of the heat capacities and thermal diffusivities have been approximated by a third-order and a first-order polynomial, resp. It has been shown that the dependence of the molar heat capacity on n (n = 1-14) at a temperature of 298.15 K is close to linear. This study involved multiple reactions and reactants, such as Methyl heptanoate (cas: 106-73-0Product Details of 106-73-0).

Methyl heptanoate (cas: 106-73-0) belongs to esters. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Product Details of 106-73-0

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Liquid viscosities for methyl hexanoate, methyl heptanoate, methyl caprylate, and methyl nonanoate at high pressures was written by Wang, Xiaojie;Zhu, Shanshan;Wang, Xiaopo. And the article was included in Journal of Chemical Thermodynamics in 2019.Recommanded Product: Methyl heptanoate The following contents are mentioned in the article:

The exptl. measurements for liquid viscosities of four fatty acid Me esters, including Me hexanoate, Me heptanoate, Me caprylate, and Me nonanoate, were carried out with a falling-cylinder viscometer. For the present measurement, the temperature ranges were from 292 K to 362 K and the pressure was reached to 30 MPa. The combined expanded relative uncertainty of the viscosity measurements was within 0.03 with 0.95 confidence level. The viscosity data for each studied esters were correlated by Andrade-Tait equation, and the average absolute relative deviation between the exptl. data and calculated values is 0.31%, 0.44%, 0.38%, and 0.25% for Me hexanoate, Me heptanoate, Me caprylate, and Me nonanoate, resp. The maximum absolute relative deviation is 1.09%, 1.28%, 1.28%, and 0.75%. This study involved multiple reactions and reactants, such as Methyl heptanoate (cas: 106-73-0Recommanded Product: Methyl heptanoate).

Methyl heptanoate (cas: 106-73-0) belongs to esters. Volatile esters with characteristic odours are used in synthetic flavours, perfumes, and cosmetics. Certain volatile esters are used as solvents for lacquers, paints, and varnishes. Cyclic esters are called lactones, regardless of whether they are derived from an organic or inorganic acid. One example of an organic lactone is γ-valerolactone.Recommanded Product: Methyl heptanoate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Ruthenium-catalyzed hydrogenation of CO₂ as a route to methyl esters for use as biofuels or fine chemicals was written by Wang, Zheng;Zhao, Ziwei;Li, Yong;Zhong, Yanxia;Zhang, Qiuyue;Liu, Qingbin;Solan, Gregory A.;Ma, Yanping;Sun, Wen-Hua. And the article was included in Chemical Science in 2020.Recommanded Product: Methyl heptanoate The following contents are mentioned in the article:

A novel robust diphosphine-ruthenium(II) complex has been developed that can efficiently catalyze both the hydrogenation of CO₂ to methanol and its in situ condensation with carboxylic acids to form Me esters; a TON of up to 3260 is achievable for the CO₂ to methanol step. Both aromatic and aliphatic carboxylic acids can be transformed to their corresponding Me esters with high conversion and selectivity (17 aliphatic and 18 aromatic examples). On the basis of a series of experiments, a mechanism has been proposed to account for the various steps involved in the catalytic pathway. More importantly, this approach provides a promising route for using CO₂ as a C1 source for the production of biofuels, fine chems. and methanol. This study involved multiple reactions and reactants, such as Methyl heptanoate (cas: 106-73-0Recommanded Product: Methyl heptanoate).

Methyl heptanoate (cas: 106-73-0) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.Recommanded Product: Methyl heptanoate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Characterization of odour-active compounds of sour guava (Psidium acidum[DC.]Landrum) fruit by gas chromatography-olfactometry and odour activity value was written by Pino, Jorge A.;Trujillo, Reinaldo. And the article was included in Flavour and Fragrance Journal in 2021.COA of Formula: C8H16O2 The following contents are mentioned in the article:

Volatile compounds in sour guava (Psidium acidum [DC.] Landrum) were isolated by headspace-solid-phase microextraction (HS-SPME) and solvent-assisted flavor evaporation (SAFE). Analyses were performed by GC-FID and GC-MS. By GC-O, the HS-SPME extract was evaluated by frequency anal., whereas the SAFE extract was assessed by aroma extract dilution anal. (AEDA) and odor activity value (OAV) to find the most odor-active components. Twenty-four volatiles were found as odor-active compounds and contribute to the typical sour guava aroma, from which hexyl acetate, 3-methylbutyl butanoate, (Z)-3-hexenyl acetate, (Z)-3-hexenyl hexanoate, nonanal and (E)-β-ionone presented the highest aroma contribution in sour guava fruit. Results demonstrated a good resemblance between the typical aroma of the fruit and the aroma model. This study involved multiple reactions and reactants, such as Methyl heptanoate (cas: 106-73-0COA of Formula: C8H16O2).

Methyl heptanoate (cas: 106-73-0) belongs to esters. Esters typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. Esters contain a carbonyl center, which gives rise to 120° C–C–O and O–C–O angles. Unlike amides, esters are structurally flexible functional groups because rotation about the C–O–C bonds has a low barrier. Their flexibility and low polarity is manifested in their physical properties; they tend to be less rigid (lower melting point) and more volatile (lower boiling point) than the corresponding amides. COA of Formula: C8H16O2

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Preparation and catalytic esterification activity of novel organic-silicotungstate was written by Luan, Qing-jie;Li, Si-jia;Liu, Li-jun;Gong, Shu-wen. And the article was included in Huaxue Shiji in 2018.Recommanded Product: Methyl heptanoate The following contents are mentioned in the article:

A novel organic-silicotungstate catalyst (QA-HSiW) was prepared by the modifying of H₄SiW₁₂O₄₀ with quinaldic acid. The QA-HSiW was characterized by powder X-ray diffraction (XRD), IR spectroscopy (FT-IR), thermogravimetric anal. (TG) and potentiometric titration Then the catalyst was employed for esterification of oleic acid to evaluate its acid-catalytic activity. The results indicated that QA-HSiW was not only maintained the typical Keggin structure of HSiW, but also presented strong acid strength and good thermal stability. QA-HSiW exhibited excellent catalytic activity in esterification and the conversion of oleic acid could reach up to 99.8% under optimal conditions. QA-HSiW had good reusability and there was no obvious change for the phase and the Keggin structure of catalyst after the reaction. This study involved multiple reactions and reactants, such as Methyl heptanoate (cas: 106-73-0Recommanded Product: Methyl heptanoate).

Methyl heptanoate (cas: 106-73-0) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.Recommanded Product: Methyl heptanoate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Concentration of renewable products of crude bio-oil from thermal cracking of the methyl esters in castor oil was written by Menshhein, Guilherme;Costa, Vanderlei;Chiarello, Luana M.;Scharf, Dilamara R.;Simionato, Edesio L.;Botton, Vanderleia;Meier, Henry F.;Wiggers, Vinicyus R.;Ender, Laercio. And the article was included in Renewable Energy in 2019.Application of 106-73-0 The following contents are mentioned in the article:

Castor oil has been widely used as raw material to obtain compounds such as paints, solvents, rubbers, polyurethane polymers and chem. inputs. Then, one highlighted route is thermal cracking of castor oil to produce bio-oil, mainly composed of heptaldehyde and Me undecenoate, which are used as precursors of lactones in the food and beverage industry. The main aim of this study was to evaluate the separation heptaldehyde and Me undecenoate by distillation of bio-oil from thermal cracking of the Me esters in castor oil (MECO). Distilled fractions were analyzed by gas chromatog. (GC). Thus, it was possible to concentrate the fractions of heptaldehyde and Me undecenoate in a section with a distillation system at atm. pressure with a distillation rate of 5.0 mL min^-1 at 270°C, which motivates new researches for up-scaling of the process. This study involved multiple reactions and reactants, such as Methyl heptanoate (cas: 106-73-0Application of 106-73-0).

Methyl heptanoate (cas: 106-73-0) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Application of 106-73-0

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Pd-catalyzed alkoxycarbonylation of alkenes promoted by H₂O free of auxiliary acid additive was written by Liang, Wen-Yu;Liu, Lei;Zhou, Qing;Yang, Da;Lu, Yong;Liu, Ye. And the article was included in Molecular Catalysis in 2020.Formula: C8H16O2 The following contents are mentioned in the article:

The Pd-catalyzed and water promoted alkoxycarbonylation of alkenes using alcs. and carbon monoxide to afford esters RCHR¹C(O)OR² [R = n-Bu, cyclohexyl, Ph, etc.; R¹ = H, Me; R² = Me, Et, iPr] was reported. Water instead of Bronsted/Lewis acid was found to effectively improve the catalytic performance of Pd(MeCN)₂Cl₂-Xantphos system for alkoxycarbonylation of alkenes. Under the optimal conditions, the best yield of 97% was obtained for the target products Me 3-phenylpropanoate and Me 2-phenylpropanoate with L/B of 4.3 and TON of 192. The in situ high pressure FT-IR anal. verified that water played an important role in promoting formation and stability of Pd-H active species which was responsible for the efficient alkoxycarbonylation of alkenes. In addition, the ligand effect of Xantphos on this reaction was discussed. This study involved multiple reactions and reactants, such as Methyl heptanoate (cas: 106-73-0Formula: C8H16O2).

Methyl heptanoate (cas: 106-73-0) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Esters contain a carbonyl center, which gives rise to 120° C–C–O and O–C–O angles. Unlike amides, esters are structurally flexible functional groups because rotation about the C–O–C bonds has a low barrier. Their flexibility and low polarity is manifested in their physical properties; they tend to be less rigid (lower melting point) and more volatile (lower boiling point) than the corresponding amides. Formula: C8H16O2

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Preparation of Mono- and Diisocyanates in Flow from Renewable Carboxylic Acids was written by Phung Hai, Thien An;De Backer, Laurent J. S.;Cosford, Nicholas D. P.;Burkart, Michael D.. And the article was included in Organic Process Research & Development in 2020.Reference of 106-73-0 The following contents are mentioned in the article:

Diisocyanates used in polyurethanes are commonly prepared by phosgenation of petroleum-sourced diamines. This involves highly toxic phosgene and produces corrosive HCl, limiting synthetic applications. In our search for a renewable source for diisocyanates, we have developed a practical methodol. for the production of isocyanates from algae-biomass-derived fatty acids or other renewable sources. This technique utilizes flow chem. to prepare and convert high-energy intermediates, thus mitigating safety concerns. By the use of continuous flow, acyl azides are prepared from hydrazides and subsequently heated to undergo Curtius rearrangement, affording isocyanates in one scalable process. The method is efficient, safe, and sustainable, offers an opportunity to prepare isocyanates and diisocyanates from renewable feedstocks, and is amenable to distributed manufacturing processes. This study involved multiple reactions and reactants, such as Methyl heptanoate (cas: 106-73-0Reference of 106-73-0).

Methyl heptanoate (cas: 106-73-0) belongs to esters. Volatile esters with characteristic odours are used in synthetic flavours, perfumes, and cosmetics. Certain volatile esters are used as solvents for lacquers, paints, and varnishes. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.Reference of 106-73-0

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Boron-Catalyzed Double Hydrofunctionalization Reactions of Unactivated Alkynes was written by Shibuya, Masatoshi;Okamoto, Masaki;Fujita, Shoji;Abe, Masanori;Yamamoto, Yoshihiko. And the article was included in ACS Catalysis in 2018.Application of 106-73-0 The following contents are mentioned in the article:

In the presence of (C₆F₅)₃B·nH₂O, alkynyl alcs. such as HOCH₂CPh₂CH₂CCH underwent tandem hydroalkoxylation and hydroallylation or hydrocyanation reactions with allyltrimethylsilane or cyanotrimethylsilane with H₂O as a proton source to yield cyano- and allyl-substituted tetrahydrofurans such as I (R = H₂C:CHCH₂, NC). The high alkynophilicity of B(C₆F₅)₃ enabled the selective activation of unactivated alkynes in the presence of the alkene moiety of allylsilane and in the presence of cyanide. ¹⁹F NMR of intermediate reaction mixtures indicated that alkynes were activated by free (C₆F₅)₃B in allylation reactions and by H⁺[(C₆F₅)₃BCN^–] in cyanation reactions. This study involved multiple reactions and reactants, such as Methyl heptanoate (cas: 106-73-0Application of 106-73-0).

Methyl heptanoate (cas: 106-73-0) belongs to esters. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Esters are more polar than ethers but less polar than alcohols. They participate in hydrogen bonds as hydrogen-bond acceptors, but cannot act as hydrogen-bond donors, unlike their parent alcohols. This ability to participate in hydrogen bonding confers some water-solubility.Application of 106-73-0

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics